The latest issue of Scientific American has an excerpt from a book about how people with psychopathic traits—"a grandiose sense of self-worth, persuasiveness, superficial charm, ruthlessness, lack of remorse and the manipulation of others"—are able to succeed, and points out that many politicians and world leaders often have these traits.

The latest Freakonomics podcast tackles the question of whether or not we're more productive working at the office, or working from home, and as someone who finds himself more productive in an office environment, I was surprised to learn that case studies have shown that people who work at home are often more productive than when they're at the office.

Researchers asked people to estimate how many hours a week they worked, and then to keep a "time diary" tracking all their activities. It comes to no surprise that the hours didn't match up, and that people have a tendency to exaggerate how many hours they work each week. The same thing happened when people estimated how much time they spent doing housework.